340397915 has 16 divisors (see below), whose sum is σ = 479890656. Its totient is φ = 228518400.

The previous prime is 340397909. The next prime is 340397957. The reversal of 340397915 is 519793043.

It is not a de Polignac number, because 340397915 - 2⁴ = 340397899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237326 + ... + 238755.

It is an arithmetic number, because the mean of its divisors is an integer number (29993166).

Almost surely, 2^340397915 is an apocalyptic number.

340397915 is a deficient number, since it is larger than the sum of its proper divisors (139492741).

340397915 is a wasteful number, since it uses less digits than its factorization.

340397915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476110.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 340397915 is about 18449.8757448390. The cubic root of 340397915 is about 698.2253789805.

The spelling of 340397915 in words is "three hundred forty million, three hundred ninety-seven thousand, nine hundred fifteen".